7(y-1)-8=-2(-5y+3)-9y

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Solution for 7(y-1)-8=-2(-5y+3)-9y equation:


Simplifying
7(y + -1) + -8 = -2(-5y + 3) + -9y

Reorder the terms:
7(-1 + y) + -8 = -2(-5y + 3) + -9y
(-1 * 7 + y * 7) + -8 = -2(-5y + 3) + -9y
(-7 + 7y) + -8 = -2(-5y + 3) + -9y

Reorder the terms:
-7 + -8 + 7y = -2(-5y + 3) + -9y

Combine like terms: -7 + -8 = -15
-15 + 7y = -2(-5y + 3) + -9y

Reorder the terms:
-15 + 7y = -2(3 + -5y) + -9y
-15 + 7y = (3 * -2 + -5y * -2) + -9y
-15 + 7y = (-6 + 10y) + -9y

Combine like terms: 10y + -9y = 1y
-15 + 7y = -6 + 1y

Solving
-15 + 7y = -6 + 1y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-1y' to each side of the equation.
-15 + 7y + -1y = -6 + 1y + -1y

Combine like terms: 7y + -1y = 6y
-15 + 6y = -6 + 1y + -1y

Combine like terms: 1y + -1y = 0
-15 + 6y = -6 + 0
-15 + 6y = -6

Add '15' to each side of the equation.
-15 + 15 + 6y = -6 + 15

Combine like terms: -15 + 15 = 0
0 + 6y = -6 + 15
6y = -6 + 15

Combine like terms: -6 + 15 = 9
6y = 9

Divide each side by '6'.
y = 1.5

Simplifying
y = 1.5

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